EP0437753A2 - Procédé et dispositif pour couper des plaques de bois recouverts d'une feuille - Google Patents
Procédé et dispositif pour couper des plaques de bois recouverts d'une feuille Download PDFInfo
- Publication number
- EP0437753A2 EP0437753A2 EP90124348A EP90124348A EP0437753A2 EP 0437753 A2 EP0437753 A2 EP 0437753A2 EP 90124348 A EP90124348 A EP 90124348A EP 90124348 A EP90124348 A EP 90124348A EP 0437753 A2 EP0437753 A2 EP 0437753A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- circular saw
- guide
- scoring
- saw blade
- stop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002023 wood Substances 0.000 title claims abstract description 6
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 10
- 239000011093 chipboard Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B9/00—Portable power-driven circular saws for manual operation
- B27B9/02—Arrangements for adjusting the cutting depth or the amount of tilting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
- B23D59/002—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade for the position of the saw blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q9/00—Arrangements for supporting or guiding portable metal-working machines or apparatus
- B23Q9/0014—Portable machines provided with or cooperating with guide means supported directly by the workpiece during action
- B23Q9/0028—Portable machines provided with or cooperating with guide means supported directly by the workpiece during action the guide means being fixed only on the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/10—Measures preventing splintering of sawn portions of wood
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/02—Other than completely through work thickness
- Y10T83/0207—Other than completely through work thickness or through work presented
- Y10T83/0215—Including use of rotary scoring blade
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/02—Other than completely through work thickness
- Y10T83/0333—Scoring
- Y10T83/0341—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/02—Other than completely through work thickness
- Y10T83/0333—Scoring
- Y10T83/0348—Active means to control depth of score
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7755—Carrier for rotatable tool movable during cutting
- Y10T83/7763—Tool carrier reciprocable rectilinearly
- Y10T83/7768—With means to adjust path of reciprocation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7755—Carrier for rotatable tool movable during cutting
- Y10T83/7763—Tool carrier reciprocable rectilinearly
- Y10T83/7784—With means to rotate tool
Definitions
- the invention relates to a method and a device for separating coated workpieces made of wood or the like. According to the preamble of claims 1 and 2.
- the object of the present invention is therefore to provide a method for separating coated workpieces made of wood or the like without damaging the top layer, this method being carried out with a handheld circular saw that is as inexpensive and simple as possible.
- the separating saw blade is also used for scoring in synchronism, an additional scoring saw blade with drive is not required.
- the saw blade is brought into the desired scoring positions by a simple shifting device, so that after making these scoring cuts, the final separating cut can be carried out in the opposite direction without damaging the cover layer.
- a scoring stop is used to set the scoring depth, which ensures safe working and prevents the workpiece from being touched by the saw blade when scoring in synchronism with full depth of cut. To set the full depth of cut, this scoring stop must be brought into its release position by the operator.
- scoring stop Another advantage of this scoring stop is that the scoring depth can be adjusted accordingly when changing the saw blade, with re-sharpened saw blades or with cover layers of different thicknesses.
- the seaming with its top layer is part of the waste and it is only necessary to carry out a scoring operation. This is the most common application and the workflow is considerably shortened.
- the hand-held circular saw 1 shown from the front in FIG. 1 is a so-called plunge-cut saw in which a motor housing 2 is pivotably mounted on a base plate 3.
- a saw blade 4 is used to scoring the cover layer 5 and to cut through the entire cross section of the workpiece 6.
- a guide ruler 7 can be placed on the workpiece 6, the guide rib 8 of which engages in a guide groove 9 of a guide shoe 10 connected to the base plate 3.
- a bracket 11 is used to hold the guide shoe 10 and is detachably fastened to the base plate 3 with screws 12.
- the bracket 11 is provided with a nut thread 13, in which a threaded bolt 14 engages screwably. It is provided with a lever 15 with an eye 16 against which a block 17 connected to the guide shoe 10 is pressed by a package of disc springs 18.
- an adjustment plate 19 is arranged, on which the block 17 is fastened. With the setting plate 19 two guide pins 20 are also connected, which slidably engage in guide bores 21 of the bracket 11. Thus, the guide shoe 10 is slidably mounted on the base plate 3 by actuating lever 15 transversely to the saw blade 4.
- the adjusting plate 19 has slots 22 extending transversely to the saw blade 4, into which screws 23 connected to the guide shoe 10 engage.
- the guide shoe 10 is also provided with stop elements 24 which engage in recesses 25 in the adjusting plate 19 and are provided with elongated holes 26. They serve as a stop and as an angle indicator for miter cuts, for which purpose the adjusting plate 19 is provided with an angle scale 27 in the area of the stop elements 24.
- an insert 28 made of elastic plastic is used, which is fastened in an interruption of the guide shoe 10 in such a way that a weakened wall area 29 forms part of the side wall 30 of the guide shoe 10.
- An adjusting screw 31 interacts with the wall area 29 in such a way that it can be adjusted in the desired manner in the direction of the guide rib 8, so that the running play is almost eliminated.
- FIG. 3 shows the circular saw 1 designed as a plunge-cut saw, on the base plate 3 of which the motor housing 2 with the saw blade 4 is pivotally mounted about the pivot axis 32 and with the base plate 3 of which a protective hood 33 surrounding the saw blade 4 is firmly connected.
- a guide plate 36 which has an elongated hole 37, is attached to the eyes 35 of the protective hood 33.
- the pivot lever 34 is pivotally mounted and adjustable in the height direction with an adjusting screw 38. It is pulled in the direction of the motor housing 2 by a tension spring 39 fastened to the guide plate 36 until it rests on a surface 40 of the guide plate 36.
- a stop element 41 is connected to the motor housing 2 and, when the saw blade 4 is immersed in its scoring position, strikes a stop nose 42 of the pivot lever 34 (FIG. 3).
- the pivot lever 34 is shifted counterclockwise so that the stop lug 42 releases the stop element 41 and the motor housing 2 can be pivoted into the desired immersion position.
- the pivoting lever 34 is provided with an inclined contact surface 43, with which the stop element 41 cooperates when the motor housing 2 is pivoted back and moves the pivoting lever 34 outwards in such a way that the stop element 41 can reach the stop nose 42 again.
- the protective hood 33 is provided with a guide surface 44 which, together with the guide plate 36, forms a guide slot 45.
- the stop element 41 engages in this guide slot 45 such that the motor housing 2 and thus the saw blade 4 are guided securely during the sawing process.
- the hand-held circular saw 1 is first shifted approximately 0.6 mm transversely to the base plate 3 by moving lever 15 into the position shown in FIG. 2.
- the motor housing 2 is pivoted from its rest position in a counterclockwise direction until the stop element 41 strikes the stop lug 42 (FIG. 3), so that the saw blade 4 projects over the guide ruler 7 downward by approximately 3 mm.
- the hand-held circular saw 1 is guided along the guide ruler 7 against the final separating cut in synchronism according to arrow 46 over the workpiece 6 in such a way that the covering layer 5 is sawn through completely.
- the motor housing 2 with the saw blade 4 can be pivoted into a position shown in dash-dotted lines up to a stop (not shown) in such a way that it is possible to completely cut the workpiece 6 in the opposite direction according to arrow 47.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
- Debarking, Splitting, And Disintegration Of Timber (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90124348T ATE89505T1 (de) | 1990-01-18 | 1990-12-15 | Verfahren und vorrichtung zum trennen von beschichteten werkstuecken aus holz oder dgl. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4001331A DE4001331A1 (de) | 1990-01-18 | 1990-01-18 | Verfahren und vorrichtung zum trennen von beschichteten werkstuecken aus holz oder dgl. |
DE4001331 | 1990-01-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0437753A2 true EP0437753A2 (fr) | 1991-07-24 |
EP0437753A3 EP0437753A3 (en) | 1991-10-09 |
EP0437753B1 EP0437753B1 (fr) | 1993-05-19 |
Family
ID=6398311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90124348A Expired - Lifetime EP0437753B1 (fr) | 1990-01-18 | 1990-12-15 | Procédé et dispositif pour couper des plaques de bois recouverts d'une feuille |
Country Status (6)
Country | Link |
---|---|
US (1) | US5136910A (fr) |
EP (1) | EP0437753B1 (fr) |
JP (1) | JPH05104501A (fr) |
AT (1) | ATE89505T1 (fr) |
CA (1) | CA2034591A1 (fr) |
DE (2) | DE4001331A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0529495A1 (fr) * | 1991-08-26 | 1993-03-03 | Karl M. Reich, Maschinenfabrik GmbH | Scie circulaire ayant un dispositif pour incliner la lame de scie |
US5678314A (en) * | 1993-07-05 | 1997-10-21 | Robert Bosch Gmbh | Hand power tool |
CN111673163A (zh) * | 2020-06-12 | 2020-09-18 | 孔磊 | 一种机箱加工用钣金移动式切割装置 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5275077A (en) * | 1991-02-27 | 1994-01-04 | Mimaki Engineering Co., Ltd. | Method of forming perforated cut line by cutting plotter |
DE4109839A1 (de) * | 1991-03-26 | 1992-10-01 | Bosch Gmbh Robert | Fuehrungsplatte fuer eine handwerkzeugmaschine |
US5159870A (en) * | 1991-08-15 | 1992-11-03 | Fiala Paul E | Portable electric cutting and scoring saw |
DE4238936A1 (de) * | 1992-11-19 | 1994-05-26 | Bosch Gmbh Robert | Elektromotorische Handkreissäge |
IT1263943B (it) * | 1993-02-19 | 1996-09-05 | Essetre Di Sella Giovanni | Metodo ed apparecchiatura per sezionare pannelli |
AUPM327294A0 (en) * | 1994-01-10 | 1994-02-03 | Bishop, John Waldron | Twin blade saw |
US5881784A (en) * | 1996-07-19 | 1999-03-16 | Ryobi North America, Inc. | Biscuit cutter |
US5979525A (en) * | 1998-08-18 | 1999-11-09 | Durney; Max W. | Method and apparatus for scoring a workpiece in advance of sawing |
JP4283464B2 (ja) * | 2001-08-02 | 2009-06-24 | 株式会社マキタ | 際切りマルノコ |
US20040176207A1 (en) * | 2003-03-07 | 2004-09-09 | Suydam Christopher J. | Differential pinion having a grooved bore |
EP1728604B1 (fr) * | 2005-06-01 | 2008-10-15 | BLACK & DECKER INC. | Scie circulaire avec anti-rebond moyen |
EP2018920B1 (fr) * | 2007-07-26 | 2011-09-07 | Black & Decker, Inc. | Dispositif de surplus de ressuyage |
DE602007011426D1 (de) * | 2007-07-26 | 2011-02-03 | Black & Decker Inc | Anti-Rückstoß-Vorrichtung |
WO2009064925A1 (fr) | 2007-11-13 | 2009-05-22 | Orthopediatrics, Llc | Système pour retirer un plâtre |
JP5396643B2 (ja) * | 2009-03-05 | 2014-01-22 | マックス株式会社 | 携帯用切断機 |
CN102114555B (zh) * | 2010-01-04 | 2014-05-28 | 泉峰(中国)贸易有限公司 | 电动工具 |
GB201102368D0 (en) * | 2011-02-10 | 2011-03-30 | 7Rdd Ltd | Powered circular saw and method of use thereof |
DE102011086337A1 (de) * | 2011-11-15 | 2013-05-16 | Robert Bosch Gmbh | Schnitttiefenbegrenzungsvorrichtung |
CN106378491A (zh) * | 2012-07-13 | 2017-02-08 | 苏州宝时得电动工具有限公司 | 便携式切割机 |
DE102018117677B4 (de) * | 2018-07-20 | 2020-02-06 | Festool Gmbh | Vorrichtung zum Stützen und/oder Führen einer Werkzeugmaschine |
US12083613B2 (en) | 2022-10-18 | 2024-09-10 | Techtronic Cordless Gp | Track saw including plunge lockout mechanism |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE378399C (de) * | 1920-12-23 | 1923-07-13 | Siemens Schuckertwerke G M B H | Handkreissaege |
GB2096942A (en) * | 1981-04-21 | 1982-10-27 | Albery William | Saw |
DE3606525A1 (de) * | 1986-02-28 | 1987-09-03 | Lutz Eugen Masch | Fuehrungseinrichtung fuer elektrohandwerkzeuge |
DE3644925A1 (de) * | 1986-04-11 | 1988-02-18 | Festo Kg | Motorgetriebene handwerkzeugmaschine, insbesondere oberfraese |
EP0273200A1 (fr) * | 1986-12-12 | 1988-07-06 | GIBEN IMPIANTI S.p.A. | Dispositif de coupage pour panneaux |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3298407A (en) * | 1964-07-30 | 1967-01-17 | Hugh A Scott | Clean cut saws |
US4058150A (en) * | 1976-03-09 | 1977-11-15 | Pennington Charles A | Wood cutting apparatus |
DE2740673A1 (de) * | 1976-09-20 | 1978-03-23 | Giben Impianti Spa | Kreissaegemaschine fuer platten, plattenpakete o.dgl. |
US4176572A (en) * | 1978-01-23 | 1979-12-04 | Pennington Charles A | Device for scoring wood panels prior to sawing |
US4245390A (en) * | 1979-03-30 | 1981-01-20 | Bond David L | Scoring attachment for power saws |
BR7903150A (pt) * | 1979-05-21 | 1980-11-25 | Rockwell Brasil Ind Com | Serra de mesa |
GB2059338B (en) * | 1979-09-19 | 1983-08-17 | Albery W | Saw |
IT1186903B (it) * | 1985-07-03 | 1987-12-16 | Giben Impianti Spa | Procedimento per la sezionatura fine di pannelli o pacchi di pannelli in legno o suci derivati specialmente se rivestiti con laminati di nobilitazione e sezionatrice realizzata con tale metodo caratterizzata dall essere priva di incisori |
IT1213905B (it) * | 1987-09-24 | 1990-01-05 | Giben Impianti Spa | Metodo ed apparato per la sezionatura fine di pannelli o pacchi dipannelli con l impiego di una sola sega a disco |
DE3800935A1 (de) * | 1988-01-15 | 1989-07-27 | Reich Maschf Gmbh Karl | Ritzvorrichtung |
US4856394A (en) * | 1988-04-14 | 1989-08-15 | Porter-Cable Corporation | Portable circular saw |
-
1990
- 1990-01-18 DE DE4001331A patent/DE4001331A1/de not_active Withdrawn
- 1990-12-15 DE DE9090124348T patent/DE59001500D1/de not_active Expired - Fee Related
- 1990-12-15 AT AT90124348T patent/ATE89505T1/de not_active IP Right Cessation
- 1990-12-15 EP EP90124348A patent/EP0437753B1/fr not_active Expired - Lifetime
-
1991
- 1991-01-14 JP JP3002596A patent/JPH05104501A/ja active Pending
- 1991-01-15 US US07/641,492 patent/US5136910A/en not_active Expired - Fee Related
- 1991-01-18 CA CA002034591A patent/CA2034591A1/fr not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE378399C (de) * | 1920-12-23 | 1923-07-13 | Siemens Schuckertwerke G M B H | Handkreissaege |
GB2096942A (en) * | 1981-04-21 | 1982-10-27 | Albery William | Saw |
DE3606525A1 (de) * | 1986-02-28 | 1987-09-03 | Lutz Eugen Masch | Fuehrungseinrichtung fuer elektrohandwerkzeuge |
DE3644925A1 (de) * | 1986-04-11 | 1988-02-18 | Festo Kg | Motorgetriebene handwerkzeugmaschine, insbesondere oberfraese |
EP0273200A1 (fr) * | 1986-12-12 | 1988-07-06 | GIBEN IMPIANTI S.p.A. | Dispositif de coupage pour panneaux |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0529495A1 (fr) * | 1991-08-26 | 1993-03-03 | Karl M. Reich, Maschinenfabrik GmbH | Scie circulaire ayant un dispositif pour incliner la lame de scie |
US5678314A (en) * | 1993-07-05 | 1997-10-21 | Robert Bosch Gmbh | Hand power tool |
CN111673163A (zh) * | 2020-06-12 | 2020-09-18 | 孔磊 | 一种机箱加工用钣金移动式切割装置 |
Also Published As
Publication number | Publication date |
---|---|
US5136910A (en) | 1992-08-11 |
DE59001500D1 (de) | 1993-06-24 |
EP0437753B1 (fr) | 1993-05-19 |
EP0437753A3 (en) | 1991-10-09 |
JPH05104501A (ja) | 1993-04-27 |
CA2034591A1 (fr) | 1991-07-19 |
ATE89505T1 (de) | 1993-06-15 |
DE4001331A1 (de) | 1991-07-25 |
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